IMMUNOAFFINITY CHROMATOGRAPHY COMBINED WITH GAS-CHROMATOGRAPHY NEGATIVE-ION CHEMICAL IONIZATION MASS-SPECTROMETRY FOR THE CONFIRMATION OF FLUMETHASONE ABUSE IN THE EQUINE

被引:20
作者
STANLEY, SMR [1 ]
WILHELMI, BS [1 ]
RODGERS, JP [1 ]
BERTSCHINGER, H [1 ]
机构
[1] UNIV PRETORIA,FAC VET SCI,DEPT GENESIOL,ONDERSTEPOORT 0110,SOUTH AFRICA
来源
JOURNAL OF CHROMATOGRAPHY-BIOMEDICAL APPLICATIONS | 1993年 / 614卷 / 01期
关键词
D O I
10.1016/0378-4347(93)80225-S
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
Immunoaffinity chromatography using a synthesised immunosorbent was used to extract tritiated dexamethasone (with dexamethasone carrier) from equine urine at a recovery of 81.7 +/- 8.4% (mean +/- S.D.). A method utilising this procedure coupled to cool on-column injection gas chromatography-negative ion chemical ionisation mass spectrometry is also described for the confirmation of low levels of flumethasone in equine urine samples.
引用
收藏
页码:77 / 86
页数:10
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